MLA

Wiser, William Henricks, 1890-1961. 35 mm slides: several boxes and packets, some identified, including slides for presentation on India Village Services. 30, folder 2. no date. https://collections.library.yale.edu/catalog/33114007.

APA, 6th edition

Wiser, William Henricks, 1890-1961. (["30, folder 2"])(no date)[35 mm slides: several boxes and packets, some identified, including slides for presentation on India Village Services]. https://collections.library.yale.edu/catalog/33114007.